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Table 1
Physical properties of the main asteroids of the belt, Ceres, Vesta and Pallas.
| Asteroid | Non-dimensional mass  |
Semi-major axis (u.a) | Eccentricity | Inclination | Lyapunov time τϕ (yr) |
|
|
|||||
| Ceres | 4.7 × 10-10 | 2.8 | 0.076 | 11˚ | 28 900 |
| Vesta | 1.35 × 10-10 | 2.4 | 0.09 | 7˚ | 14 282 |
| Pallas | 1.05 × 10-10 | 2.7 | 0.23 | 35˚ | 6283 |
Notes. MS is the mass of the sun. The Lyapunov times are taken from Laskar et al. (2011b).
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